Literary usage of Slyish

Below you will find example usage of this term as found in modern and/or classical literature:

1.Rambles Among the Blue-noses, Or, Reminiscences of a Tour Through New by Andrew Learmont Spedon (1863)"The young green widow now com«3 out, As if to take the air ; And casts a slyish
eye about,— But, oh ! young man, beware. The lounging wit with wistful eye ..."